Tests for nested (inside directories) pages
Handle nested page routes in server.rb
Accept pages with directory nesting
Don't include files starting with a .
Find all markdown files for listing
Make links work on list page
Display nested internal links properly
Show directory entries with a different style
New markdown file for testing for nested files
Display tweaks for top-level directory
Show directory listing
list directories whwhen directory is an absolute path
Merge branch 'works-with-directories'
sth really strange was happening with specs
added ruby version and ruby gemset files
moved screen.css directory to less
changed the way nested files are dealed with; nested uls are displayed and unlimited directories levels are supported
nested with headers the right way
Changes necesary for JRuby.

modified:   Gemfile
  Added logic for ruby vs jruby
    therhinoracer for v8
    kramdown as markdown engine
    sinatra-contrib for reloading
  Added markdown for seemless render

deleted:    Gemfile.lock
  For multi ruby runtimes, committing lock file is a tough one.

modified:   README.md
  Added steps for jruby

modified:   lib/commonplace.rb
  Swap in Markdown

modified:   lib/server.rb
  Check for jruby, and setup Sinatra:Reloader
seperated clazsses in files; fixed folder page links